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Finding the Fourth Proportional to 255,610.24, 352,743.53 and 148,243.93

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Solution

The fourth proportional to 255,610.24, 352,743.53 and 148,243.93 is: 204,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,610.24 : 352,743.53 = 148,243.93 : x
  2. Step 2: Convert to fraction form
    255,610.24/352,743.53 = 148,243.93/x
  3. Step 3: Cross multiply
    255,610.24x = 352,743.53 × 148,243.93
  4. Step 4: Simplify right side
    255,610.24x = 52,292,087,169.27
  5. Step 5: Solve for x
    x = 52,292,087,169.27/255,610.24
  6. Step 6: Final answer
    x = 204,577.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.